Southern mole cricket

The southern mole cricket (Scapteriscus vicinus) is a destructive soil-dwelling pest belonging to the order Orthoptera and the family Gryllotalpidae. Known for its high invasive potential, this species causes significant economic losses in the agricultural sector by disrupting soil structure and directly feeding on vital plant parts.

This pest affects a wide range of crops, including vegetables, grains, ornamental plants, and turf grasses. Young seedlings and transplants are particularly susceptible, as the insect feeds on roots and severs stems, which often leads to the immediate death of the plants or a severe reduction in crop yield and quality.

The life cycle of Scapteriscus vicinus encompasses egg, nymph, and adult stages. Adults are primarily subterranean, emerging at night mainly for migration, dispersal, or mating. Reproduction occurs in deep soil galleries, where the female constructs chambers to lay eggs, ensuring protection for the developing offspring within the soil profile.

Damage is characterized by the formation of extensive burrowing networks that disconnect roots from the soil, alongside physical destruction of plant tissues. High population densities can devastate vast agricultural areas in a short time, leaving soil loose and riddled with tunnels that inhibit proper plant establishment and growth.

Management strategies against the southern mole cricket rely on a combination of cultural and chemical controls:

• Deep tillage to destroy tunnels and disrupt egg-laying sites.
• Application of insecticidal baits placed strategically near planting rows.
• Utilization of systemic soil-applied insecticides, such as fipronil-based treatments, in high-infestation zones.
• Deployment of light traps to monitor and reduce adult populations during peak flight periods.